MATHEMATICS HIGH SCHOOL

1.- En la cooperativa escolar se vendieron 296 refrescos en total. Si los refrescos chicos vendidos fueron el triple de losmedianos. ¿Cuántos se vendieron de cada uno?​

Answers

Answer 1
Answer:

Answer:

222 small ones and 74 middle ones

Step-by-step explanation:

The computation is shown below:

Let us assume medium ones be x

so the small ones be 3x

And, the total is 296

So, the equation is

x + 3 x = 296

4x = 296

Medium ones = x = 74

And, the small ones is = 3 × 74

= 222

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Is 5 - (-3) equal to 8 or -2. And if one or the other, please state why one is correct and the other isn't.

Answers

8

two negatives make a postive as they cancel each other out

5 - - 3 = 5 + 3 = 8

the only way the answer could be - 2 is if the original question said 5 + - 3 = - 2

Solve equations.
log_{3} x =-2

Answers

x = 3^(-2) => x = 1/(3^2) => x = 1/9, where x >0.

Find the probability distribution for the following function:P(x) =for x = 4, 6, and 8



P(3) = 2, P(5) = 3, P(7) = 4

P(3) = 9, P(5) = 10, P(7) = 11

P(3) = 1, P(5) = 2, P(7) = 3

P(4) = 3, P(6) = 4, P(8) = 5

Answers

Hello,
sorry, I haven't understood the question.

ANSWER D:
the probability must be defined for 4,6,8
P(4)=3
P(6)=4
P(8)=5
But probability must be <1

==> P(4)=3/12, P(6)=4/12 and  P(8)=5/12

So 3/12+4/12+5/12=12/12=1

What is the value of n in the equation: 8n + 9 = -n +5

Answers

Answer:

n = -4/9

Step-by-step explanation:

8n + 9 = -n +5

Add n to each side

8n+n + 9 = -n+n +5

9n +9 = 5

Subtract 9 from each side

9n+9 - 9 = 5-9

9n /9 = -4/9

Divide each side by 9

n = -4/9

Carly will enter two baking competitions. The first competition requires her to make 2x + 4 cupcakes. The second competition requires her to make 3x + 2 cupcakes.Complete the expression to represent the total number of cupcakes.

x +

Answers

First, we combine the 2 problems, So 2x+4+3x+2. Then we combine like terms. that means that we can add the x's together, then add the normal numbers. That equals 5x+6. Is this what you're looking for?
Well what we need to do here is first combine the two equations, like this 5x+6 and thats about it, Enjoy! (just add them together)

2. Rename .709 as a percent. a. 709% b. 70.9% * c. 79% d. 7.09% 4. Alice plays basketball. In one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes.a. about 16 b. about 2 c. about 20 d. about 14 5. Estimate 48% of $20.00. a. about $12.00 b. about $11.00 c. about $15.00 d. about $10.00 * 6. The bill at a restaurant is $100, and Mrs. Johnson wants to leave a 15% tip. Approximately how much money should she leave?
a. about $5.00 b. about $10.00 c. about $15.00 * d. about $20.00 7. Which proportion can be used to solve the following percent problem? What is 50% of 70?
8. What percent of 50 is 15? a. 4% b. 25% c. 30% d. 15% 9. 30% of 60 is what number? a. 15 b. 30 c. 18 * d. 40 The choices with * is what I think the answer is please check them, and help me the others.

Answers

2) Your answer is correct. It is B. 70.9%
4) We can round 81.25% to 80 and 21 shots to 20. 20 x 0.8 = 16.
The answer is A. about 16
5) Your answer is correct. 48% is almost half; half of $20 is $10, so the answer is D.
6) Your answer is correct, C. 15% x 100 = $15
7) The proportion 50/100 = x/70 can help solve this. The answer will be 35.
8) We simply do:
15/50 x 100 = 3/10 x 100 = 30%
9) You are correct, C. 0.3 x 60 = 18
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